In the twentieth century, soot________
A、produces much more global warming than a carbon-dioxide forcing of the same magnitude
B、contributed to 25 percent of observed global warming
C、winter and spring
D、the warming effects increase
E、still surpass soot warming the world's climate during the last century
F、can be seen mostly in the Northern Hemisphere
A、produces much more global warming than a carbon-dioxide forcing of the same magnitude
B、contributed to 25 percent of observed global warming
C、winter and spring
D、the warming effects increase
E、still surpass soot warming the world's climate during the last century
F、can be seen mostly in the Northern Hemisphere
【参考答案及解析】
段落句子补充信息类的题目需要回归到该问题所出现的位置,根据上下文进行寻找、进行提炼或转换近义的词句。以下同此。本题定位到第一段的最后一句,可以找出黑色烟灰也是全球气候变暖的因素之一,其所占的比重为25%。
段落句子补充信息类的题目需要回归到该问题所出现的位置,根据上下文进行寻找、进行提炼或转换近义的词句。以下同此。本题定位到第一段的最后一句,可以找出黑色烟灰也是全球气候变暖的因素之一,其所占的比重为25%。